package com.qd.panda.service.card;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.cdqidi.constant.ConstantDto;
import com.cdqidi.db.BaseService;
import com.cdqidi.dto.CacheKey;
import com.cdqidi.excel.ExcelExport;
import com.cdqidi.excel.util.ExportPage;
import com.cdqidi.exception.ApiException;
import com.cdqidi.util.RedisTemplateUtil;
import com.qd.common.panda.constant.PandaConstant;
import com.qd.common.panda.domain.entity.card.CardInfoDetailDTO;
import com.qd.panda.mapper.card.CardInfoDetailMapper;
import com.qd.panda.model.CardInfoDetail;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.StringUtils;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.time.LocalDate;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Optional;
import java.util.stream.Collectors;

import static java.util.stream.Collectors.toList;

/**
 * 卡卷明细
 *
 * @author sjk
 */
@RequiredArgsConstructor
@Service
@Slf4j
public class CardInfoDetailService extends BaseService<CardInfoDetailMapper, CardInfoDetail> {

    private static final String PREFIX_ID = "panda_card_info_detail_cardId_{0}";

    private final RedisTemplateUtil<CardInfoDetail> redisTemplateUtil;
    @Resource
    private HttpServletResponse response;

    /**
     * 保存
     *
     * @param dto 页面对象
     * @return 页面对象
     */
    @Transactional(rollbackFor = Exception.class)
    public CardInfoDetailDTO save(CardInfoDetailDTO dto) {
        final CardInfoDetail model = dtoToModel(dto);
        try {
            if (super.save(model)) {
                return modelToDto(model);
            }
            throw new ApiException("添加失败");
        } finally {
            clearCache(model);
            model.freeData();
        }
    }

    /**
     * 修改
     *
     * @param dto 页面对象
     * @return 页面对象
     */
    @Transactional(rollbackFor = Exception.class)
    public CardInfoDetailDTO update(CardInfoDetailDTO dto) {
        final CardInfoDetail historyModel = Optional.ofNullable(getById(dto.getCardId())).orElseThrow(() -> new ApiException("ID不存在,不能更新"));
        final CardInfoDetail model = dtoToModel(dto);
        try {
            if (super.updateById(model)) {
                return modelToDto(model);
            }
            throw new ApiException("更新失败");
        } finally {
            clearCache(historyModel);
            historyModel.freeData();
            model.freeData();
        }
    }

    /**
     * 批量添加
     *
     * @param mList 数据库对象
     */
    @Transactional(rollbackFor = Exception.class)
    public void saveBatch(List<CardInfoDetail> mList) {
        try {
            if (!super.saveBatch(mList)) {
                throw new ApiException("批量添加失败");
            }
        } finally {
            clearCaches(mList);
        }
    }

    /**
     * 批量更新
     *
     * @param mList 数据库对象
     */
    @Transactional(rollbackFor = Exception.class)
    public void updateBatchIds(List<CardInfoDetail> mList) {
        final List<String> ids = mList.stream().map(CardInfoDetail::getCardId).collect(toList());
        final List<CardInfoDetail> historyModelList = checkIds(ids);
        try {
            if (!super.updateBatchById(mList)) {
                throw new ApiException("批量更新失败");
            }
        } finally {
            clearCaches(historyModelList);
            historyModelList.clear();
            ids.clear();
        }
    }

    /**
     * 删除，单个
     *
     * @param cardId 主键
     */
    @Transactional(rollbackFor = Exception.class)
    public void removeById(String cardId) {
        final CardInfoDetail historyModel = Optional.ofNullable(getById(cardId)).orElseThrow(() -> new ApiException("数据不存在,不能删除"));
        try {
            if (!super.removeById(cardId)) {
                throw new ApiException("删除失败");
            }
        } finally {
            clearCache(historyModel);
            historyModel.freeData();
        }
    }

    /**
     * 批量删除
     *
     * @param ids 主键集合
     */
    @Transactional(rollbackFor = Exception.class)
    public void removeBatchIds(List<String> ids) {
        final List<CardInfoDetail> historyModelList = checkIds(ids);
        try {
            if (!super.removeByIds(ids)) {
                throw new ApiException("批量删除失败");
            }
        } finally {
            clearCaches(historyModelList);
            historyModelList.clear();
        }
    }

    /**
     * 根据传入对象构建查询参数，判断是否存在
     *
     * @param dto 参数
     * @return 存在为true
     */
    @Transactional(readOnly = true)
    public Boolean isExists(CardInfoDetailDTO dto) {
        final QueryWrapper<CardInfoDetail> queryWrapper = createQueryWrapper(dto);
        final boolean exists = super.count(queryWrapper) > 0;
        queryWrapper.clear();
        return exists;
    }

    /**
     * 根据主键判断数据是否存在
     *
     * @param cardId 主键
     * @return 存在为true
     */
    @Transactional(readOnly = true)
    public Boolean isExistsById(String cardId) {
        boolean exists = false;
        if (StringUtils.hasLength(cardId)) {
            final CardInfoDetail model = getById(cardId);
            exists = (null != model);
            if (exists) {
                model.freeData();
            }
        }
        return exists;
    }

    /**
     * 根据主键获取数据
     *
     * @param cardId 主键
     * @return 单条记录
     */
    @Transactional(readOnly = true)
    public CardInfoDetail getById(String cardId) {
        final String key = RedisTemplateUtil.getRedisCacheKey(PREFIX_ID, cardId);
        return redisTemplateUtil.get(new CacheKey().setKey(key).setTimeout(ConstantDto.REDIS_TIME_OUT_DAY), () -> super.getById(cardId), CardInfoDetail.class);
    }

    /**
     * 根据主键获取数据
     *
     * @param cardId 主键
     * @return 单条记录，转换成页面对象
     */
    @Transactional(readOnly = true)
    public CardInfoDetailDTO getByIdDto(String cardId) {
        return Optional.ofNullable(getById(cardId)).map(this::modelToDto).orElse(null);
    }

    /**
     * 根据条件查询单条数据
     *
     * @param dto 查询参数
     * @return 单条记录
     */
    @Transactional(readOnly = true)
    public CardInfoDetail getOne(CardInfoDetailDTO dto) {
        final QueryWrapper<CardInfoDetail> queryWrapper = createQueryWrapper(dto);
        CardInfoDetail model = super.getOne(queryWrapper);
        queryWrapper.clear();
        return model;
    }

    /**
     * 根据条件查询单条数据
     *
     * @param dto 查询参数
     * @return 单条记录，转换成页面对象
     */
    @Transactional(readOnly = true)
    public CardInfoDetailDTO getOneDto(CardInfoDetailDTO dto) {
        return Optional.ofNullable(getOne(dto)).map(this::modelToDto).orElse(null);
    }

    /**
     * 根据条件查询列表数据
     *
     * @param dto 查询参数
     * @return 列表数据
     */
    @Transactional(readOnly = true)
    public List<CardInfoDetail> getList(CardInfoDetailDTO dto) {
        final QueryWrapper<CardInfoDetail> queryWrapper = createQueryWrapper(dto);
        final List<CardInfoDetail> list = super.list(queryWrapper);
        queryWrapper.clear();
        return list;
    }

    /**
     * 根据条件查询列表数据
     *
     * @param dto 查询参数
     * @return 列表数据，转换成页面对象
     */
    @Transactional(readOnly = true)
    public List<CardInfoDetailDTO> getListDto(CardInfoDetailDTO dto) {
        return modelToDtoList(getList(dto));
    }

    /**
     * 分页数据
     *
     * @param page 分页对象
     * @param dto  查询参数
     * @return 分页信息
     */
    @Transactional(readOnly = true)
    public IPage<CardInfoDetailDTO> page(Page<CardInfoDetail> page, CardInfoDetailDTO dto) {
        final QueryWrapper<CardInfoDetail> queryWrapper = createQueryWrapper(dto, "t1.");
        final IPage<CardInfoDetailDTO> iPage = baseMapper.page(page, queryWrapper);
        queryWrapper.clear();
        return iPage;
    }

    /**
     * 导出Excel
     *
     * @param query 查询条件
     */
    @Transactional(readOnly = true)
    public void export(CardInfoDetailDTO query) {
        final ExportPage<CardInfoDetail, CardInfoDetailDTO> exportPage = new ExportPage<>();
        try {
            final List<CardInfoDetailDTO> list = exportPage.getAllForPage(page -> page(page, query).getRecords());
            try {
                ExcelExport.downloadExcel(response, CardInfoDetailDTO.class, () -> list);
            } catch (IOException e) {
                log.error("导出失败", e);
                throw new ApiException("导出失败");
            }
        } finally {
            exportPage.freeData();
        }
    }


    /**
     * 清空缓存
     *
     * @param model 数据库对象
     */
    public void clearCache(CardInfoDetail model) {
        if (null == model) {
            return;
        }
        redisTemplateUtil.deleteByKey(RedisTemplateUtil.getRedisCacheKey(PREFIX_ID, model.getCardId()));
    }

    /**
     * 批量清空缓存
     *
     * @param list 数据库对象
     */
    public void clearCaches(List<CardInfoDetail> list) {
        if (null == list || list.isEmpty()) {
            return;
        }
        List<String> ids = list.stream().map(model -> RedisTemplateUtil.getRedisCacheKey(PREFIX_ID, model.getCardId())).collect(toList());
        if (!ids.isEmpty()) {
            redisTemplateUtil.deleteByKey(ids);
            ids.clear();
        }
    }

    /**
     * 数据库对象转页面对象
     *
     * @param model 数据库对象
     * @return 页面对象
     */
    public CardInfoDetailDTO modelToDto(CardInfoDetail model) {
        if (null == model) {
            return null;
        }
        final CardInfoDetailDTO dto = new CardInfoDetailDTO();
        dto.setCardId(model.getCardId());
        dto.setMobile(model.getMobile());
        dto.setRedemptionTime(model.getRedemptionTime());
        dto.setUseTime(model.getUseTime());
        dto.setRedeemCode(model.getRedeemCode());
        dto.setUseState(model.getUseState());
        dto.setUserId(model.getUserId());
        dto.setCardMsgId(model.getCardMsgId());
        dto.setPlanId(model.getPlanId());
        dto.setValidityEndTime(model.getValidityEndTime());
        buildDisplay(dto);
        return dto;
    }

    /**
     * 页面对象转数据库对象
     *
     * @param dto 页面对象
     * @return 数据库对象
     */
    public CardInfoDetail dtoToModel(CardInfoDetailDTO dto) {
        if (null == dto) {
            return null;
        }
        final CardInfoDetail model = new CardInfoDetail();
        model.setCardId(dto.getCardId());
        model.setMobile(dto.getMobile());
        model.setRedemptionTime(dto.getRedemptionTime());
        model.setUseTime(dto.getUseTime());
        model.setRedeemCode(dto.getRedeemCode());
        model.setUseState(dto.getUseState());
        model.setUserId(dto.getUserId());
        model.setCardMsgId(dto.getCardMsgId());
        model.setPlanId(dto.getPlanId());
        model.setValidityEndTime(dto.getValidityEndTime());
        return model;
    }

    /**
     * 码表转换
     *
     * @param dto 页面对象
     */
    public void buildDisplay(CardInfoDetailDTO dto) {

    }

    /**
     * 数据库对象转页面对象
     *
     * @param list 数据库对象
     * @return 页面对象
     */
    public List<CardInfoDetailDTO> modelToDtoList(List<CardInfoDetail> list) {
        return Optional.ofNullable(list).orElse(Collections.emptyList()).stream().map(this::modelToDto).collect(toList());
    }

    /**
     * 页面对象转数据库对象
     *
     * @param list 页面对象
     * @return 数据库对象
     */
    public List<CardInfoDetail> dtoToModelList(List<CardInfoDetailDTO> list) {
        return Optional.ofNullable(list).orElse(Collections.emptyList()).stream().map(this::dtoToModel).collect(toList());
    }

    /**
     * 拼装查询参数，除了主键的其他字段会自动加入进来
     *
     * @param dto 查询参数，不为空的属性会被自动加入
     */
    public QueryWrapper<CardInfoDetail> createQueryWrapper(CardInfoDetailDTO dto) {
        return createQueryWrapper(dto, "");
    }

    /**
     * 拼装查询参数，除了主键的其他字段会自动加入进来
     *
     * @param dto        查询参数，不为空的属性会被自动加入
     * @param tableAlias 表别名
     */
    public QueryWrapper<CardInfoDetail> createQueryWrapper(CardInfoDetailDTO dto, String tableAlias) {
        final QueryWrapper<CardInfoDetail> queryWrapper = new QueryWrapper<>();
        if (null != dto) {
            if (StringUtils.hasLength(tableAlias) && tableAlias.charAt(tableAlias.length() - 1) != '.') {
                tableAlias += ".";
            }
            if (StringUtils.hasLength(dto.getMobile())) {
                queryWrapper.eq(tableAlias + "mobile", dto.getMobile());
            }
            if (StringUtils.hasLength(dto.getRedeemCode())) {
                queryWrapper.eq(tableAlias + "redeem_code", dto.getRedeemCode());
            }
            if (StringUtils.hasLength(dto.getUserId())) {
                queryWrapper.eq(tableAlias + "user_id", dto.getUserId());
            }
            if (StringUtils.hasLength(dto.getCardMsgId())) {
                queryWrapper.eq(tableAlias + "card_msg_id", dto.getCardMsgId());
            }
            if (StringUtils.hasLength(dto.getPlanId())) {
                queryWrapper.eq(tableAlias + "plan_id", dto.getPlanId());
            }
        }
        return queryWrapper;
    }

    /**
     * 批量检查主键在数据库中是否存在
     *
     * @param ids 主键集合
     * @return 主键查询出来的集合
     */
    public List<CardInfoDetail> checkIds(List<String> ids) {
        if (null == ids || ids.isEmpty()) {
            throw new ApiException("ids不能为空");
        }
        final List<CardInfoDetail> list = super.listByIds(ids);
        if (list.isEmpty()) {
            throw new ApiException("ids不存在" + Arrays.toString(ids.toArray()));
        }
        if (ids.size() == list.size()) {
            return list;
        }
        List<String> dbIds = list.stream().map(CardInfoDetail::getCardId).collect(toList());
        final List<String> notExistsList = ids.stream().filter(id -> !dbIds.contains(id)).collect(toList());
        dbIds.clear();
        if (!notExistsList.isEmpty()) {
            throw new ApiException("ids不存在" + Arrays.toString(notExistsList.toArray()));
        }
        return list;
    }

    @Transactional(readOnly = true)
    public List<CardInfoDetail> getListByPlanId(String planId) {
        QueryWrapper<CardInfoDetail> queryWrapper = new QueryWrapper<>();
        queryWrapper.eq("plan_id", planId);
        return getBaseMapper().selectList(queryWrapper);
    }

    @Transactional(readOnly = true)
    public List<CardInfoDetail> getListByPlanIdAndRedeemCode(String planId, String redeemCode) {
        QueryWrapper<CardInfoDetail> queryWrapper = new QueryWrapper<>();
        queryWrapper.eq("plan_id", planId);
        queryWrapper.eq("redeem_code", redeemCode);
        return getBaseMapper().selectList(queryWrapper);
    }

    @Transactional(rollbackFor = Exception.class)
    public void removeByPlanId(String planId) {
        List<CardInfoDetail> listByPlanId = getListByPlanId(planId);
        if (!listByPlanId.isEmpty()) {
            List<String> ids = listByPlanId.stream().map(CardInfoDetail::getCardId).collect(toList());
            removeBatchIds(ids);
        }
    }

    /**
     * 清理过期卷数据
     *
     * @param localDate 时间
     * @return
     */
    @Transactional(rollbackFor = Exception.class)
    public List<CardInfoDetailDTO> clearUpCard(LocalDate localDate) {
        List<CardInfoDetailDTO> list = getBaseMapper().overdueList(localDate);
        if(!list.isEmpty()){
            List<CardInfoDetail> cardInfoDetailList = list.stream().map(cardInfoDetailDTO -> {
                CardInfoDetail cardInfoDetail = dtoToModel(cardInfoDetailDTO);
                return cardInfoDetail.setUseState(PandaConstant.USE_STATE_3);
            }).collect(Collectors.toList());
            updateBatchIds(cardInfoDetailList);
            cardInfoDetailList.clear();
        }
        return list;
    }

    /**
     * 没有兑换过的随机取一条
     *
     * @param planId
     * @param cardMsgId
     * @return
     */
    @Transactional(readOnly = true)
    public CardInfoDetail getOneByCardMsgId(String planId, String cardMsgId) {
        QueryWrapper<CardInfoDetail> queryWrapper = new QueryWrapper<>();
        queryWrapper.eq("plan_id", planId);
        queryWrapper.eq("card_msg_id", cardMsgId);
        queryWrapper.isNull("redemption_time");
        queryWrapper.last(" limit 1");
        CardInfoDetail cardInfoDetail = getBaseMapper().selectOne(queryWrapper);
        queryWrapper.clear();
        return cardInfoDetail;
    }
}